EP2944776A1 - Système de fixation à un corps central - Google Patents

Système de fixation à un corps central Download PDF

Info

Publication number
EP2944776A1
EP2944776A1 EP15167138.5A EP15167138A EP2944776A1 EP 2944776 A1 EP2944776 A1 EP 2944776A1 EP 15167138 A EP15167138 A EP 15167138A EP 2944776 A1 EP2944776 A1 EP 2944776A1
Authority
EP
European Patent Office
Prior art keywords
center body
housing
engine
engine flange
attachment system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15167138.5A
Other languages
German (de)
English (en)
Other versions
EP2944776B1 (fr
Inventor
Jinqiu Jacques LU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohr Inc
Original Assignee
Rohr Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohr Inc filed Critical Rohr Inc
Publication of EP2944776A1 publication Critical patent/EP2944776A1/fr
Application granted granted Critical
Publication of EP2944776B1 publication Critical patent/EP2944776B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/80—Couplings or connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/30—Exhaust heads, chambers, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/008—Rocket engine parts, e.g. nozzles, combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
    • F02K1/78—Other construction of jet pipes
    • F02K1/80—Couplings or connections
    • F02K1/805—Sealing devices therefor, e.g. for movable parts of jet pipes or nozzle flaps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/243—Flange connections; Bolting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • F05D2230/642—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins using maintaining alignment while permitting differential dilatation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49325—Shaping integrally bladed rotor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49948—Multipart cooperating fastener [e.g., bolt and nut]
    • Y10T29/4995—Nonthreaded
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/16—Joints and connections with adjunctive protector, broken parts retainer, repair, assembly or disassembly feature
    • Y10T403/1616—Position or guide means
    • Y10T403/1624—Related to joint component

Definitions

  • the present disclosure relates to turbine engine systems and, more specifically, to an attachment system for use with a turbine engine center body.
  • Turbine engine exhaust nozzles frequently have a center body designed to direct the flow of exhaust gas.
  • the center body is made of the same material as the surrounding engine structure.
  • this material is often heavy and has limited ability to withstand very high temperatures.
  • the difference in thermal expansion between the dissimilar materials exerts a significant load on the mounting apparatus. This load limits the available choices of materials and geometry of engine center bodies.
  • a center body attachment system may include an engine flange, a center body mounting assembly, and a center body, wherein the center body mounting assembly retains the center body and the engine flange in slidable engagement, whereby the engine flange and the center body may at least one of expand and contract at a different rate.
  • a method of assembling a center body attachment system may include axially sliding a center body joined with a center body mounting assembly having a housing over an engine flange, wherein the engine flange has an engine flange ring having a nutplate.
  • a method may further include positioning the engine flange ring radially inward of the center body, aligning the housing with the nutplate, and inserting a fastener through the housing and into the nutplate.
  • any reference to singular includes plural embodiments, and any reference to more than one component or step may include a singular embodiment or step.
  • any reference to attached, fixed, connected or the like may include permanent, removable, temporary, partial, full and/or any other possible attachment option.
  • any reference to without contact may also include reduced contact or minimal contact.
  • phrases such as "make contact with,” “coupled to,” “touch,” “interface with” and “engage” may be used interchangeably.
  • brad or “aft of” or “radially inward” means disposed at a position along an indicated axis illustrated in the figures having a smaller positive value, or a greater negative value with respect to the origin of the axes system than the component that said item is located "behind.” For example, if a first item is located behind a second item along the X-axis, the first item is disposed at a position along the X-axis illustrated in the figures having a smaller positive value, or a greater negative value with respect to the origin of the axes system than the second item.
  • in front of or “forward of” or “radially outward” means disposed at a position along an indicated axis illustrated in the figures having a greater positive value, or a lesser negative value with respect to the origin of the axes system than the component that said item is located "in front of.” For example, if a first item is located in front of a second item along the Z-axis, the first item is disposed at a position along the Z-axis illustrated in the figures having a greater positive value, or a smaller negative value with respect to the origin of the axes system than the second item.
  • a center body attachment system may comprise an engine flange, a center body, and a center body mounting assembly.
  • the center body mounting assembly retains the center body and the engine flange in slidable engagement, whereby the engine flange and the center body may expand and contract at different rates.
  • the center body attachment system attaches the center body to an engine.
  • a center body attachment system 50 may comprise an engine flange 15, and a center body mounting assembly 18, whereby a center body 1 and an engine 16 are attached together.
  • Center body 1 and engine flange 15 may be fixed in slidable engagement by the junction of engine flange 15 and center body mounting assembly 18. In this manner, mechanical continuity may be maintained between the engine flange 15 and the center body 1 having different rates of thermal expansion.
  • the center body 1 may be retained in proximity to engine 16, permitting center body 1 to direct exhaust flow from the engine 16.
  • center body mounting assembly 18 comprises a housing, a washer, and a nut, wherein the housing further comprises a floating counter bore, a spring, and a slider.
  • center body mounting assembly 18 may comprise a housing 2, a washer 3, and a nut 4.
  • the housing 2 extends through an aperture in a center body 1 and is retained in position by a washer 3 and a nut 4, wherein the washer 3 is disposed against an inside face of center body 1, and the nut 4 is disposed against the inside face of the washer 3, whereby the nut 4 compresses the washer 3 against the center body 1, thus compressing a portion of the center body 1 between the housing 2 and the washer 3.
  • the housing 2 further comprises a floating counter bore 6, a spring 7, and a slider 5.
  • the floating counter bore 6 comprises an outer radius less than the inner radius of the housing 2.
  • spring 7 is disposed within the gap created by this difference in radius (in the X-Z plane as illustrated in Figs. 3 and 5 ) between the housing 2 and the floating counter bore 6. In this manner, the floating counter bore 6 is spaced from the housing 2.
  • the floating counter bore 6 comprises a bore height (along the Y-axis as illustrated in Figs. 3 and 5 ) less than the bore height of the housing 2.
  • spring 7 is disposed within the gap between the housing 2 and the floating counter bore 6.
  • the floating counter bore 6 is positioned inside housing 2, but does not contact the housing 2, but is instead supported by spring 7. In this manner, the floating counter bore 6 may be said to float on the spring 7 within the housing 2.
  • a slider 5 is disposed within the housing 2 radially inward (along the Y-axis) of the floating counter bore 6 and spring 7.
  • a slider may comprise an annulus having a central aperture. The slider 5 is retained within the housing 2 by the nut 4. Thus, slider 5 may slide radially inward and outward (along the Y-axis), as bounded by nut 4 and the spring 7.
  • a slider may further comprise a boss extending radially inward (along the Y-axis) through an aperture in the nut 4, for example, as discussed herein, so that an engine flange 15 may abut the slider 5 ( Fig. 5 ).
  • a fastener 11 Fig.
  • the center body 1 may be mounted to the engine flange 15, but permitted to move radially inward and outward (along the Y-axis) by slider 5, thus expanding and contracting in response to changes in temperature.
  • an engine flange may comprise an engine attachment face, a flange ring, a seal and a nutplate.
  • engine flange 15 may comprise an engine attachment face 13, an engine flange ring 8, a seal 10, and a nutplate 9.
  • the engine attachment face 13 comprises a planar ring extending radially outward (along the Y-axis) in a Y-X plane, outward from an engine flange ring 8.
  • the engine attachment face 13 comprises a plurality of engine attachment apertures 14 by which the engine flange 15 may be joined to an engine 16.
  • the engine flange ring 8 may comprise an axially extending cylinder (about the Z-axis), comprising an outer diameter chosen to fit radially inward (along the Y-axis) of a center body mounting assembly 18 according to Fig. 3 .
  • a seal 10 may be disposed about a radially outward surface (along the Y-axis) of engine flange ring 8 and joined to engine flange ring 8 by rivets 12.
  • seal 10 prevents exhaust gases from escaping between the juncture of an engine flange 15 and a center body mounting assembly 18 of a center body 1 in accordance with principles discussed later herein.
  • a nutplate 9 may be positioned axially inboard of the seal 10 (along the Z-axis). As discussed further herein, nutplate 9 may comprises a threaded aperture configured to receive a fastener 11 inserted through the floating counter bore 6 and the slider 5 of center body mounting assembly 18. In this manner, the center body mounting assembly 18 and the engine flange 15 may be mechanically interconnected.
  • multiple nutplates 9 and multiple center body mounting assemblies 18 may be joined in mechanical communication, thus joining the engine flange 15 in mechanical communication with the center body 1.
  • a plurality of nutplates 9 may be disposed about the circumference of an engine flange 15 and a plurality of center body mounting assemblies 18 may be disposed about the circumference of a center body 1.
  • the center body 1 is 20 inches (+/- 2 inches) (50.8 cm +/- 5.08 cm) in diameter and sixteen center body mounting assemblies 18 are disposed about the circumference of the center body 1.
  • a matching arrangement of nutplates 9 is disposed about an engine flange 15.
  • an engine flange 15 and center body 1 may be joined according to various methods.
  • a center body 1 may be joined with a center body mounting assembly 18.
  • the center body 1 with center body mounting assembly 18 may then be slid axially over an engine flange ring 8 of an engine flange 15, until housing 2 aligns with the nutplate 9.
  • a fastener 11 for example, a bolt, may be inserted through the floating counter bore 6 and slider 5 and into nutplate 9, and tightened. In this manner, engine flange ring 8 is drawn into fixed mechanical contact with slider 5.
  • seal 10 may extend from engine flange ring 8 to center body 1.
  • seal 10 comprises a curved piece of mechanically elastic material, for example, an elastic metal.
  • the seal 10 comprises an austenitic nickel-chromium-based alloy such as Inconel®, which is available from Special Metals Corporation of New Hartford, New York, USA, whereby gas and/or heat may be prevented from escaping as the center body 1 and the engine flange 15 expand or contract.
  • Inconel® an austenitic nickel-chromium-based alloy
  • a center body attachment system may be manufactured from various materials.
  • a center body attachment system may comprise metal.
  • a center body attachment system may comprise metal, such as titanium, aluminum, steel, or stainless steel, though it may alternatively comprise numerous other materials configured to provide support, such as, for example, composite, ceramic, plastics, polymers, alloys, glass, binder, epoxy, polyester, acrylic, or any material or combination of materials having a desired strength, stiffness, or flexibility sufficient to maintain resiliency during use.
  • various portions of center body attachment systems as disclosed herein are made of different materials or combinations of materials, and/or may comprise coatings.
  • center body attachment systems may comprise multiple materials, or any material configuration suitable to enhance or reinforce the resiliency and/or support of the system when subjected to wear in an aircraft operating environment or to satisfy other desired electromagnetic, chemical, physical, or biological properties, for example radar signature, load capacity, or heat tolerance.
  • various components may comprise an austenitic nickel-chromium-based alloy such as Inconel®, which is available from Special Metals Corporation of New Hartford, New York, USA.
  • an engine flange 15 may comprise an austenitic nickel-chromium-based alloy such as Inconel®.
  • a seal 10, and/or an engine flange 15, and/or a nutplate 9 may comprise an austenitic nickel-chromium-based alloy such as Inconel®.
  • various aspects of a center body 1 and/or a center body mounting assembly 18 may comprise an austenitic nickel-chromium-based alloy such as Inconel®.
  • a slider 5 and/or a floating counter bore 6, and/or a spring 7 may comprise an austenitic nickel-chromium-based alloy such as Inconel®.
  • various components may comprise ceramic matrix composite (CMC).
  • CMC ceramic matrix composite
  • various aspects of a center body 1 and/or a center body mounting assembly 18 may comprise ceramic matrix composite (CMC).
  • a center body 1 may comprise ceramic matrix composite (CMC).
  • CMC ceramic matrix composite
  • the center body 1 may exhibit a different coefficient of thermal expansion than the engine flange 15.
  • the different materials may be securely mounted in slidable mechanical communication according to the principles discussed herein.
  • a center body 1 may comprise any material suitably lightweight and heat tolerant.
  • various aspects of a center body 1 and/or a center body mounting assembly 18 may comprise refractory metal, for example, an alloy of titanium, for example titanium-zirconium-molybdenum (TZM).
  • refractory metal for example, an alloy of titanium, for example titanium-zirconium-molybdenum (TZM).
  • housing 2, and/or washer 3, and/or nut 4 may comprise TZM.
  • center body attachment systems described herein have been described in the context of aircraft applications; however, one will appreciate in light of the present disclosure, that the system described herein may be used in connection with various other vehicles, for example, a launch vehicle, a spacecraft, an unmanned aerial vehicle, a missile, cars, trucks, busses, trains, boats, and submersible vehicles, or any other vehicle or device, or in connection with industrial processes, or propulsion systems, or any other system or process having different materials exposed to fluctuating temperatures.
  • references to "various embodiments”, “one embodiment”, “an embodiment”, “an example embodiment”, etc. indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described. After reading the description, it will be apparent to one skilled in the relevant art(s) how to implement the disclosure in alternative embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Connection Of Plates (AREA)
EP15167138.5A 2014-05-12 2015-05-11 Système de fixation à un corps central Active EP2944776B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/275,755 US9732701B2 (en) 2014-05-12 2014-05-12 Center body attachment system

Publications (2)

Publication Number Publication Date
EP2944776A1 true EP2944776A1 (fr) 2015-11-18
EP2944776B1 EP2944776B1 (fr) 2017-07-12

Family

ID=53267217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15167138.5A Active EP2944776B1 (fr) 2014-05-12 2015-05-11 Système de fixation à un corps central

Country Status (2)

Country Link
US (1) US9732701B2 (fr)
EP (1) EP2944776B1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3018305A1 (fr) * 2014-11-07 2016-05-11 Rohr, Inc. Fixation au corps central de buse d'échappement
EP3178801A1 (fr) * 2015-12-10 2017-06-14 General Electric Company Système de fixation métallique intégré dans une structure composite
US9732701B2 (en) 2014-05-12 2017-08-15 Rohr, Inc. Center body attachment system
EP3699406A1 (fr) * 2019-01-28 2020-08-26 Rolls-Royce plc Composant de fixation d'agencement, agencement de fixation et moteur à turbine à gaz comprenant un agencement de fixation
FR3115319A1 (fr) * 2020-10-15 2022-04-22 Safran Ceramics Ensemble de turbine de turbomachine
FR3115827A1 (fr) * 2020-11-05 2022-05-06 Safran Nacelles Fixation d’un cône d’éjection dans une tuyère de turbomachine

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3022424B1 (fr) * 2013-07-16 2019-10-09 United Technologies Corporation Ensemble de panneau en céramique de moteur de turbine à gaz et procédé de fabrication d'un ensemble de panneau en céramique de moteur de turbine à gaz
US9644497B2 (en) * 2013-11-22 2017-05-09 Siemens Energy, Inc. Industrial gas turbine exhaust system with splined profile tail cone
US10451001B2 (en) * 2014-12-09 2019-10-22 Rolls-Royce Corporation CMC oxide-oxide mixer design
US10907508B2 (en) * 2015-11-12 2021-02-02 Rohr, Inc. Turbine engine and exhaust system connection
US10150568B2 (en) 2016-01-27 2018-12-11 Rohr, Inc. Thrust reverser compression rod with spring biased engagement
US11060551B1 (en) * 2017-10-31 2021-07-13 Lockheed Martin Corporation Snap alignment guard for nut plate ring
US11041461B2 (en) * 2018-02-15 2021-06-22 Raytheon Technologies Corporation Exhaust liner deflection limiter
US11143105B2 (en) 2018-12-19 2021-10-12 Unison Industries, Llc Mounting assembly and fan casing assembly
US11300075B2 (en) * 2019-03-12 2022-04-12 Rohr, Inc. Engine exhaust skin connection system
US11459980B2 (en) * 2019-12-02 2022-10-04 Rohr, Inc. Compression ring for exhaust nozzle and center body attachment
FR3115568B1 (fr) * 2020-10-27 2023-06-30 Safran Ceram Ensemble de turbine de turbomachine
FR3115830B1 (fr) * 2020-11-05 2022-09-30 Safran Nacelles Ensemble pour une turbomachine
CN114017202B (zh) * 2021-11-12 2023-04-18 中国航发沈阳发动机研究所 一种喷管复材中心锥连接结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1598562A1 (fr) * 2004-05-20 2005-11-23 United Technologies Corporation Ensemble de fixation pour attacher un composant non-métallique à un composant métallique
US20080178465A1 (en) * 2007-01-25 2008-07-31 Siemens Power Generation, Inc. CMC to metal attachment mechanism
DE102008044445A1 (de) * 2007-08-23 2009-02-26 General Electric Company Verfahren, System und Einrichtung zum Abdichten eines Turbinendiffusors
US20120023968A1 (en) * 2010-08-02 2012-02-02 Yevgeniy Shteyman Exhaust manifold flange connection
WO2013121155A1 (fr) * 2012-02-17 2013-08-22 Herakles Cône d'echappement avec systeme d'attenuation acoustique

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592814A (en) * 1994-12-21 1997-01-14 United Technologies Corporation Attaching brittle composite structures in gas turbine engines for resiliently accommodating thermal expansion
US7874059B2 (en) 2006-01-12 2011-01-25 Siemens Energy, Inc. Attachment for ceramic matrix composite component
FR2935753B1 (fr) * 2008-09-08 2011-07-01 Snecma Propulsion Solide Liaisons souples a butee pour fixation de piece en cmc
FR2978988B1 (fr) 2011-08-12 2013-07-26 Aircelle Sa Cone d'ejection pour turboreacteur d'aeronef
FR2988777B1 (fr) 2012-03-29 2014-04-25 Snecma Propulsion Solide Integration de pieces d'arriere-corps de moteur aeronautique
FR2992353B1 (fr) 2012-06-21 2016-12-30 Snecma Ensemble forme d'un cone d'echappement et d'un carter d'echappement dans un moteur a turbine a gaz
WO2014058502A2 (fr) 2012-07-31 2014-04-17 General Electric Company Anneau central en céramique et procédé de fabrication
US9188024B2 (en) * 2013-02-22 2015-11-17 Pratt & Whitney Canada Corp. Exhaust section for bypass gas turbine engines
US9732701B2 (en) 2014-05-12 2017-08-15 Rohr, Inc. Center body attachment system
US9784215B2 (en) 2014-11-07 2017-10-10 Rohr, Inc. Exhaust nozzle center body attachment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1598562A1 (fr) * 2004-05-20 2005-11-23 United Technologies Corporation Ensemble de fixation pour attacher un composant non-métallique à un composant métallique
US20080178465A1 (en) * 2007-01-25 2008-07-31 Siemens Power Generation, Inc. CMC to metal attachment mechanism
DE102008044445A1 (de) * 2007-08-23 2009-02-26 General Electric Company Verfahren, System und Einrichtung zum Abdichten eines Turbinendiffusors
US20120023968A1 (en) * 2010-08-02 2012-02-02 Yevgeniy Shteyman Exhaust manifold flange connection
WO2013121155A1 (fr) * 2012-02-17 2013-08-22 Herakles Cône d'echappement avec systeme d'attenuation acoustique

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9732701B2 (en) 2014-05-12 2017-08-15 Rohr, Inc. Center body attachment system
EP3018305A1 (fr) * 2014-11-07 2016-05-11 Rohr, Inc. Fixation au corps central de buse d'échappement
US9784215B2 (en) 2014-11-07 2017-10-10 Rohr, Inc. Exhaust nozzle center body attachment
EP3178801A1 (fr) * 2015-12-10 2017-06-14 General Electric Company Système de fixation métallique intégré dans une structure composite
US10316695B2 (en) 2015-12-10 2019-06-11 General Electric Company Metallic attachment system integrated into a composite structure
US11859509B2 (en) 2015-12-10 2024-01-02 General Electric Company Metallic attachment system integrated into a composite structure
EP3699406A1 (fr) * 2019-01-28 2020-08-26 Rolls-Royce plc Composant de fixation d'agencement, agencement de fixation et moteur à turbine à gaz comprenant un agencement de fixation
FR3115319A1 (fr) * 2020-10-15 2022-04-22 Safran Ceramics Ensemble de turbine de turbomachine
FR3115827A1 (fr) * 2020-11-05 2022-05-06 Safran Nacelles Fixation d’un cône d’éjection dans une tuyère de turbomachine
WO2022096821A1 (fr) * 2020-11-05 2022-05-12 Safran Nacelles Fixation d'un cône d'éjection dans une tuyère de turbomachine
US11959437B2 (en) 2020-11-05 2024-04-16 Safran Nacelles Fastening of an exhaust cone in a turbomachine nozzle

Also Published As

Publication number Publication date
US20150322890A1 (en) 2015-11-12
US9732701B2 (en) 2017-08-15
EP2944776B1 (fr) 2017-07-12

Similar Documents

Publication Publication Date Title
EP2944776B1 (fr) Système de fixation à un corps central
EP3018305B1 (fr) Fixation du corps central d'une buse d'échappement
EP3173589B1 (fr) Moteur à turbine et connexion de système d'échappement
US8814097B2 (en) Mounting set, system and method
EP2447157B1 (fr) Boîtier de ventilateur et ensemble d'encliquetage de bague de montage
US9551239B2 (en) Exhaust assembly center body
EP2034136A2 (fr) Bague de flexion festonnée
WO2015094463A1 (fr) Galet d'étanchéité
EP3334998B1 (fr) Coiffe métallique avec ensemble unitaire
EP3708811A1 (fr) Système de connexion de revêtement d'échappement de moteur
US10871077B2 (en) Turbomachine auxiliary lead-through device
EP2954187A2 (fr) Ensemble antitorsion doté d'un bloc de couple en forme de coin
EP3748211A2 (fr) Ensemble de retenue pour moteur de turbine à gaz
US20200340363A1 (en) Turbine section assembly with ceramic matrix composite vane
US9541029B2 (en) Hybrid IFS with metallic aft section
EP3480447B1 (fr) Configuration de montage d'un ensemble d'échappement
US9897098B2 (en) Gas turbine engine axial drum-style compressor rotor assembly
US20140026590A1 (en) Flexible combustor bracket
US11767770B2 (en) Double bipod fitting to mitigate thermal loading of engine exhaust structures
EP2860101B1 (fr) Dispositifs de réduction du bruit généré par un train d'atterrissage
US20160298469A1 (en) Aircraft blade lock retainer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20160518

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: F01D 25/30 20060101AFI20170210BHEP

Ipc: B23P 15/00 20060101ALI20170210BHEP

Ipc: F02K 1/80 20060101ALI20170210BHEP

Ipc: F01D 25/24 20060101ALI20170210BHEP

INTG Intention to grant announced

Effective date: 20170308

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 908542

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170715

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602015003486

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20170712

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 908542

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171012

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171012

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171112

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20171013

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602015003486

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 4

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

26N No opposition filed

Effective date: 20180413

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20180531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180531

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180531

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20190511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20170712

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20150511

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170712

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 602015003486

Country of ref document: DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20230420

Year of fee payment: 9

Ref country code: DE

Payment date: 20230419

Year of fee payment: 9